Seesaw and roundabout.



PATBNTED JUNE I9-, 1906.

J.' MUBLLER. SBESAW AND ROUNDABOUT. APPLICATION FILED 0GT.1'8, 1905. v

\ l UNITED STATES PATENT oEEIoE.

. JOHNMUELLER, or ELMHURST, iLLnvors..

vsEEs/xw AN-DfBouNDABouT.;

To all whom it may concern/.-

`:Be it known that I, JOHN MUELLER, a citiy zenof the United Statesof America, and a resident of Elmhurst," in the county of Dupage and State of Illinois, have invented certain new and useful Improvements in See- :-;.saw s and Roundabouts, of A'which the following is aspecification.

the line 2 2 of Fig. 1.

This invention relatesl to combined seesa'ws and roundabouts; and its main object is to provide improved construction and arrangement of the various parts of the devices of this class. X

I accomplish these objects by the device.

shown in the accompanying drawings, in which- Figure 1 is a top plan of a combined seesaw and roundabout constructed according to my invention, one arm ofthe beam being broken away and the middle seat bein removed.

Fig. 2 is a longitudinal section of t esame on Fig. 3 is a transverse section of the same on the line 3 3 of Fig, 1. Fig. 4 is a section on the line 4 4 of Fig..2.

The device shown consists of a beam 4, balanced and rotatably mounted on the top of an upright post 5. The post 5 is pointed at the lower end and is ydriven into the ground,

. being braced by means of plank or plate 6.

The plate 6 is provided with a central aperture which fits. the largest diameter of the post 5, and said plate has portions extending in opposite directions and provided with apertures near their endsfor receiving the stakes 7,

with which lthe plate 6 is pinned to lthe ground. The beam 4 is formed of a pair ofsubstantially parallel side bars 8, which are disposed on edge, being spaced apart and securely fastened together by means of through-bolts'Q.

Both ends of the beam 4 are alike, one being broken away in the drawings. The spacers 10 which are near the -middle of the length of the beam, are spaced apart from each other to provide a central aperture 11. The spacers 12 and 13 are somewhat thinner than the spacers 10 for reasons which will appear hereinafter. The opposed faces ofthe side bars 8 are provided with longitudinal grooves 14,

extending'between. the spacers 12and 13 at each end of the beam. A block 15 is mounted between the side bars 8 at each end of the,

beam and has a pair of horizontal pins 16 eX- tending transverely vthrough the same near each end and projecting beyond each of the side faces of the block 15 into the grooves .14. These pins prevent the block vl5 from tilting Specification lof Letters Patent. Application filed October 18, 1905. Serial No. 233,299.1

longitudinally with respect to the beam. The

block 15 is preferably substantially iiush with thetop and bottom of the adjacent portions of the beam and has mounted on its upper Patented .Tune 19, 1.906

face a-seat 17 and handhold 18. The block 15 is of the same thickness as the spacer 12, while the spacerj13 is of less thickness. A

bolt 19 extends through the beam at the spacer 13 andis provided with a wing-nut 20, whereby the side bars 8 may be drawn together for clamping the block 15 in a desired o position of adjustmentalong the beam. The spacers 12 form stops for limiting the outward adjustmentof the seats.

' The upper end of the post 5 is preferably 'capped with a metal ferrule 21. The cap 22, which forms the seat for the head of the post 21 within the beam, is formed of sheet metal V .bent to an inverted-U shape with horizontal flanges 23 lfor securing the cap lto the edges 'of the side bars 9 of the beam. The-top of the cap 22 is indented at 24 near each end, as shown in the drawings, thus providing ya seat for the head of the post and preventing said .head from slipping longitudinally within its socket, while at the same time permitting the desired longitudinal tilting of the beam. The

width of the socket in the cap 22 is substantially the same as the diameter of the ferrule 21, so that the beam is prevented from tilting` sidewise.'` A middle seat 25 is also provided to accommodate one or more persons upon that part of the beam.

The 'operation of the device shown is as follows: In erecting the device the board or IOO ',What I claim as my invention, and desire to secure by Letters Patent, is-

1. A seesaw and roundabout comprising an upright, a beam balanced and rotatable on the top of said upright, said beam comprising a pair of side bars secured to ether and disy posed on edge in parallel re ation to each other, spacers separating said bars, a block mounted between said bars at each end of said IIO beam, each of said blocks having thereon a seat and being slidablelongitudinally of the beam and means for drawing the side bars toward each other for clamping the block in a fixed position.

2. A seesaw and roundabout comprising an upright, a beam balanced and rotatable on the top of said upright, said beam comprising a pair of side bars secured together and disposed in parallel relation to each other, spacers separating said bars, a block mounted between said bars at each end of said beam, each of said blocks having thereon a seat and being slidable longitudinally of the beam, and means for drawing the side bars toward each other for clamping the block in a Xed position, said beams having longitudinal grooves in their opposed Jfaces and said blocks having projections extending into said grooves to prevent said block from tilting with respect to the beam.

3. A seesaw and roundabout comprising an upright, a beam balanced and rotatable on the top of said upright, said beam comprising a pair of side bars secured together and disposed in parallel relation to each other, spacers separating said bars, a block mounted between said bars at each end of said beam, each of said blocks having thereon a seat and being slidable longitudinally of the beam, a spacer at each end of the beam outside of said movable block and formingasitop forlimitinr the outward adjustment of" said block, sai spacer being of substantially the same thickness as said block, a second spacer inward of each end and being of greater thickness than said block, and a bolt extending through said bars at a point between said spacers and adapted to draw said side bars together for clamping said block.

4. In a seesaw and roundabout, the combination of an u right post, a beam balanced upon the top o said post and rotatable thereon, said beam having a central oblong aperture and a cap seated in said aperture for engaging the top of the post, said cap being bent to an inverted-U-shaped form having lateral baseeflanges for engaging the bottom face of the beam, the top of said U-shaped cap being indented at each end to form a central seat for-the top of the post between said in dentations, all arranged to permit said beam to tilt longitudinally and to prevent said beam from tilting transversely.

Signed at Chicago this 9th day of October, 1905.

\ JOHN MUELLER.

Witnesses:

EUGENE A. RUMMLER, GLEN C. STEPHENS. 

